demos/classical_psha_based_risk/job.ini:
demos/classical_psha_based_risk/job.ini:

Added `region_constraint` parameter to demo file.


Former-commit-id: e79dc7e97c7168dc19bdfc608708153bce710d2c [formerly e79dc7e97c7168dc19bdfc608708153bce710d2c [formerly e63311cb029bff6e527ab6054a63c85cf69471aa]]
Former-commit-id: 31be2442762456c1923b7e146116a40b27884567
Former-commit-id: fc4b2afcfe0ca741e74d218fda97354268eafac7
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine